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LED Light Bar for Optical Traffic Control Systems

US 8,072,346 In force, term unresolved
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Aug 13, 2026 (National Bank of Canada).

Term ends no later than Feb 26, 2029 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Apr 9, 2009 as application 12/421,210 · Granted Dec 6, 2011
Base term plus 255 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2008 2029
Clock starts
Jun 16, 2008
Ends no later than
Feb 26, 2029
Granted
Dec 6, 2011
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
255
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 255 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jun 16, 2008, when application 12/139,959, the earliest non-provisional in its chain, was filed (this one was filed Apr 9, 2009)Jun 16, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+255 days, USPTO patent term adjustment recordFeb 26, 2029High confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Feb 26, 2029Medium confidence

This family

US 7,808,401In force
Mar 2029
Mar 2029
US 7,982,631In force
Apr 2029
Apr 2029
US 8,072,346this patent
no later than Feb 2029
no later than Feb 2029
The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Apr 14, 2009
Reel 22545, frame 477
Hall, Timothy; Schwartz, MarkGlobal Traffic Technologies, LLCAssignment of Assignor's Interest
Jun 28, 2013
Reel 30713, frame 134
Freeport Financial LLCGarrison Loan Agency Services LLCAssignment of Patent Security Agreement
Aug 9, 2016
Reel 39386, frame 217
Garrison Loan Agency Services LLCGlobal Traffic Technologies, LLCRelease of Security Interest
Jul 7, 2023
Reel 64183, frame 966
Global Traffic Technologies, LLCComerica BankSecurity Interest
Mar 21, 2024
Reel 66861, frame 273
Global Traffic Technologies, LLCExport Development CanadaSecurity Interest
Mar 7, 2025
Reel 70446, frame 609
Global Traffic Technologies, LLCMiovision Technologies US, LLCChange of Name
Apr 30, 2025
Reel 71129, frame 664
Global Traffic Technologies, LLCMiovision Technologies US, LLCCorrective Assignment to Correct the Street Address and Zip Code Previously Recorded on Reel 70446 Frame 609. Assignor(S) Hereby Confirms the Change of Name.
Aug 6, 2026
Reel 75549, frame 978
Fifth Third Bank, National AssocationMiovision Technologies US, LLCRelease of Security Interest
Aug 6, 2026
Reel 75551, frame 77
Export Development CanadaMiovision Technologies US, LLCRelease of Security Interest
Aug 13, 2026
Reel 76382, frame 479
Miovision Technologies US, LLCNational Bank of CanadaSecurity Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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